Demon WP Insecticide - Questions & Answers

How can I neutralize Demon WP with some other substance?
I have a 1 room apt and I may have overdid it. I sprayed in the summer for german cockroaches and by winter all windows closed and the heat on its unbearable my face burns my arms burn it seems it turned to powder and laid on everything everything I touch I get a burning chemical sensation ,smell i honestly cant breathe in there at all. Any suggestions?

A

Demon WP is labeled for roaches including German Roaches. It is mixed with water and applied in the cracks and crevices only per the label. It has an indoor residual for up to three months. If applied properly, it should not be causing any burning unless unlabeled surfaces were treated. We recommend that the apartment be cleaned properly and that you seek medical attention immediately.

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04/08/2013Haris from Justin Tx

Q

Can Demon WP kill wasps?
I hate wasps and want to spray demon on my lawn and around the house and in high corners where wasp or hornet nests might form ... will this work or should I try something stronger ( any suggestions will help .)

A

Demon WP is one of the strongest insecticides on the market and will work well for wasp control but it will leave a white powdery residue on the lawn and on other dark surfaces. If that is a problem you can use Demand CS which is strong like Demon WP but dries clear. You should note that neither of the products offers an instant knockdown so care should be used if spraying a live nest.

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02/04/2013Michael from Naples, Fl

Q

Can I use Demon WP, Maxforce magnum and Gentrol all at once or should i use them all at different times?

A

You can use them all at once.The Maxforce Magnum should be applied by placing one small pea sized dot every 10-12 inches directly into cracks and crevices around counters, sinks, drawers and cabinets. You should use one Gentrol Point Source disc for every 75 sq ft of space. In order to know how many discs you should use you would need to know the square footage of the room (multiply the length of the room by the width of the room) (If you have the Gentrol Liquid you can mix it in the same gallon of water as the Demon and spray them together indoors). Demon WP should be sprayed outdoors around door frames, window frames, in areas where utilities (cables, pipes, wires) enter into the structure, around the bottom of the foundation and other areas where insects are known to harbor. Inside you should apply Demon WP along baseboards, in cracks and crevices,under appliances, around door frames, window frames and in areas where utilities (cables, pipes, wires) enter into the structure.

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05/03/2010Rickie

Q

Will Demon WP kill black widow spiders in my house?
Will Demon WP kill black widow spiders in my house? I have a puppy and am worried she might get bit. I also have big brown spiders outdoors. Is Demon WP the best choice?

A

Demon WP would be a great choice for indoor and outdoor spider control. The active ingredient in Demon WP is cypermethrin, which is known to be one of the top choices for spider control. Spraying Demon WP will also help to get rid of the insects that spiders feed on and that will help to stop new spiders from moving in.

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07/09/2011Nick

Q

Can I use insecticide granules in my crawlspace?
I have an ant, earwig, and spider issue in my new house. I have sprayed around the yard, but they still seem to be getting in. I would assume that the only other place is under the house in the crawlspace. If I were to retreat the yard with granular insecticide, could I also use it in the crawlspace for added protection? If so, which would be the best kind?

A

You would not want to use granules under the crawl space of the house. The reason being is granules require moisture, either from watering or rain, to release the insecticide that kills the insects. You should always water in the granules after application especially if you are in an area with little rain and moisture. This may be why you are not getting good results already in the yard. Since rain will not make it in the crawl space, or at least it should not be, granules are not good for under the house. In addition to applying granules in the yard and watering them in, you should apply a liquid insecticide, specifically a wettable powder around the perimeter of the house and underneath the house. Wettable powders are easier for spiders and other insects to get on their bodies typically and are faster acting. Our most popular wettable powder product is Demon WP and it can be applied using a hand pump sprayer.

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07/23/2013Kristina from Kilgore, Tx

Q

What am I doing wrong?
I used this product with an IGR. The first time I used 1 package to 1 gal of water (I also added 1 oz of IGR). I doubled both the next day when I came back and the house was still infested with fleas. We are moving into this home in the next few weeks and I can't seem to kill the fleas. I have fogged it 3 times and used Demon WP/IGR mix twice. What am I doing wrong?

A

Using that much chemical is what you are doing incorrectly. Fleas did not appear in the unit over night in the numbers you are seeing them, so expecting to get rid of them overnight is unreasonable. Demon is not recommended for use indoors for fleas as you can only treat baseboards with the product and not all the areas where they will hide. While the Demon is allowed to be mixed 2 scoops or 2 packets per gallon, using more IGR than what is labeled to be used is only wasting product. You should only be spraying every 2 weeks for fleas with both an approved insecticide for indoor use for fleas and an IGR. Fogging will only kill the adult fleas that are jumping around while the fog is going off. Foggers are only effective while they are active and leave behind no residual and will not penetrate flea eggs. Please review our tutorial on How To Get Rid of Fleas Indoors to effectively, accurately and safely treat for fleas. This will give you the best idea of what to do to get rid of the fleas as quickly as possible. Keep in mind that even using the right products, the right way it can take weeks to months to completely eliminate a flea infestation if its heavy to catch all the life cycles. You can review our video on the bottom of the page for Home Flea Treatment Indoors that shows you the steps you should take as well. Please let us know if you have any other questions.

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05/13/2015Joe from Puckett Mississippi

Q

How long does it take for Demon WP to kill fleas after treatment?

A

Demon WP is not labeled for indoor flea treatments and could cause your lawn to turn white (powdery look). Please let us know if you have already treated with the product or if you were considering this to be a treatment option. The kill time for fleas can vary depending on the life cycle stage. Also, this kill time can vary depending on if and when they came into contact with the product. We will be able to offer advice on application and product suggestions that best fit your needs. It is important to perform a flea treatment indoors and outdoors once every two weeks with a minimum of two applications. Indoor vacuuming will be done daily. Please find our treatment article below that includes helpful videos for flea eradication.

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07/17/2012Joyce from Rio Rancho, Nm

Q

Is Demon WP safe to use indoors around dogs and pet birds?

A

The dogs and the birds should be removed from the area prior to treatment with Demon WP and they can safely re-enter the treated areas as soon as they are dry. Please refer to the Demon WP product label for complete usage instructions.

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08/21/2011Juno from Tallahassee Fl.

Q

How long will demon WP last once it's mixed ?

A

Demon WP will last for about 30 days or more once applied from a sprayer. Once mixed, Demon WP should be applied and none kept if your sprayer as a mix. Since Demon WP is a wettable powder, if you store it in your sprayer for more than a week it will start to settle and can clog the hose or nozzles to your spray device. You should always only mix what you can apply right then.

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04/21/2010Keith

Q

Will Demon WP prevent carpenter bees from boring in barn rafters?

A

Demon WP will kill carpenter bees that land on treated surfaces or try to bore into treated surfaces and while it is known to be some what repellent it will not necessarily repel them from the area.

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06/25/2015Maayan from Las Vegas

Q

Can Demon WP be mixed with Suspend SC?

A

Demon WP and Suspend SC should NOT be mixed together. There is no valid reason to mix Demon WP and Suspend SC together. Suspend SC is a synthetic pyrethroid and Demon WP already contains a synthetic pyrethroid, so there would be nothing to gain by mixing these products together. Making a pesticide too strong can actually backfire. Areas that are treated with this overly concentrated spray will be repellent and insects will simply avoid the treated areas prolonging the infestation.

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05/19/2014Chelsea from Hereford, Tx

Q

Will Demon WP Insecticide become harmful to pets and humans if it gets wet again?
I have a 19 month old and a cat and we sprayed demon wp around the cracks and crevices of our entire house (where the walls meet the floor). If I were to mop in a couple of days, would it become poisonous to her again?

A

Demon WP Insecticide is safe for children and pets after it has dried. If you were to mop the area, it would take up any residual that was there. Please let us know if you have any more questions.

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06/07/2011George

Q

Looking for a chemical to take the place of Ficam W??

A

Most people that used to purchase Ficam W have found similar results with products such as Demon WP, Cy-Kick CS, Demand CS or Suspend SC for general pest control. You did not specifically indicate what pest you are trying to eliminate so we can only recommend general use products for you.

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03/05/2015Chad from Palm Bay, Fl

Q

Is Demon WP safe for pet snakes after it dries?
Can you put their enclosures near application areas after it dries?

A

When used as directed Demon WP would be safe. Demon WP should only be applied to cracks and crevices, along baseboards etc. Just putting the enclosure near these areas would not pose harm to the snake. Pets should be out of the treatment area until dry.

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09/27/2015Gene from Eagle Pass, Tx

Q

Can I use Demon WP indoors?

A

Yes, Demon WP can be applied to the indoor cracks and crevices for the listed pests. It can be applied once every 90 days indoors to the areas listed on the product label.

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01/30/2016Jennifer from Kissimmee, Fl

Q

Can I use Demon WP alongside Invict Gold Cockroach Bait Gel?

A

You can use Demon WP Insecticide and Invict Gold or another cockroach bait gel in the same treatment rooms, however you want to avoid spraying on top of bait placements or in areas where you are going to place baits. Your general rule is to SPRAY LOW and BAIT HIGH. To mix the Demon WP, you should use 1-2 packets per gallon of water, so if you were to use less water, you should still use at least 1/2 gallon of water for 1 packet. You could also choose a ready-to-use product instead of a concentrate so that you do not have to worry about mixing correctly. We sell a new product called Dos Flea and Crawling Insect Spray†which contains both an insecticide and an IGR for control of roaches and other listed insects. Please see our Roach Treatment Guide for more tips and information.

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10/04/2011Torey from Virginia

Q

Which product has the longest residual against crickets, spiders, and centipedes?
In my crawl space is where I initially have the problem, then they find themselves inside the home. Living with a wife and 3 daughters is not fun when these pests start to show up.

A

Wettable powder formulations such as Demon WP or Tempo WP or microencapsulated formulations such as Onslaught or Cy-Kick CS will have the longest lasting residuals. These formulations are more stable than other insecticide formulations and they are also labeled for crickets, spiders and centipedes. Even the longest lasting insecticide cannot keep out 100% of insects because insects can find creative ways to go around or over insecticides. We recommend that in addition to spraying the perimeter and crawlspace of your home that you also see how you can alter the environment immediately around your home to make it less favorable to insects. Please take a few moments to read our article Integrated Pest Managment to learn how to make your property less favorable to insects.

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06/05/2013Kathy from Houston, Tx

Q

How much Demon WP do I use in a hose-end sprayer?
We have a hose end sprayer with 1 oz to 8 oz on the dial and it sprays 4 gallons of water per minute. The bottle is 32 oz, how many demon WP packets do we put in the jar to kill spiders?

A

You cannot use Demon WP in a hose end sprayer. This is a wettable powder that must be mixed and dissolved into water at the rate of 1-2 packets per gallon of water. There is no way to make a hose end sprayer suck up a powder to disperse in the water as these hose end applicators are only designed for liquids. You also cannot dilute it first and then pour it into the hose end bottle as you will not be accurately treating with the right dilution. You will need to use a hand pump sprayer similar to this Chapin Premier Sprayer to apply this type of product for spider control.

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06/28/2015Mod from Fresno, California

Q

what works better on German cockroach, tempo wp or demon wp?

A

Tempo Ultra WP and Demon WP are both labeled for various types of roaches. They have two different active ingredients in them, which is the main difference. We would not recommend using just one product to control roaches. A bait gel and IGR (insect growth regulator) should be added to ensure that you are maintaining control of the roaches.

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04/18/2015Sharee from Stockdale Tx

Q

Can I spray demon in yard with goats or other live stock that may eat plants or grass?